We have 87/89/91AKI here in AZ, and it does advance the timing for 91, though I don't think it's a whole lot. I do actually get better economy on 91.
I'll have to datalog those points specifically and report back. What points are you looking for? Timing, MAF/MAP, RPM?
That's because it is ;) I've used both apps and I prefer OBDLink over Torque, but they both have their pros and cons.